@book{89873,
	author = {Beedy, Edward C. and Stallcup, Rich.},
	title = {Birds of the Sierra Nevada :},
	publisher = {University of California Press,},
	year = {2013.},
	address = {Berkeley, California :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10837520}
}